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ef5279e85e
* Fix LED pinout for T-Echo board marked v1.0, date 2021-6-28 * Merge PR #420 * Fixed double and missing Default class. * Use correct format specifier and fixed typo. * Removed duplicate code. * Fix error: #if with no expression * Fix warning: extra tokens at end of #endif directive. * Fix antenna switching logic. Complementary-pin control logic is required on the rp2040-lora board. * Fix deprecated macros. * Set RP2040 in dormant mode when deep sleep is triggered. --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
#include "configuration.h"
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#include "hardware/xosc.h"
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#include <hardware/clocks.h>
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#include <hardware/pll.h>
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#include <pico/stdlib.h>
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#include <pico/unique_id.h>
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#include <stdio.h>
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void setBluetoothEnable(bool enable)
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{
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// not needed
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}
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void cpuDeepSleep(uint32_t msecs)
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{
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/* Disable both PLL to avoid power dissipation */
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pll_deinit(pll_sys);
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pll_deinit(pll_usb);
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/* Set RP2040 in dormant mode. Will not wake up. */
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xosc_dormant();
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}
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void updateBatteryLevel(uint8_t level)
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{
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// not needed
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}
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void getMacAddr(uint8_t *dmac)
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{
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pico_unique_board_id_t src;
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pico_get_unique_board_id(&src);
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dmac[5] = src.id[7];
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dmac[4] = src.id[6];
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dmac[3] = src.id[5];
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dmac[2] = src.id[4];
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dmac[1] = src.id[3];
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dmac[0] = src.id[2];
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}
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void rp2040Setup()
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{
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/* Sets a random seed to make sure we get different random numbers on each boot.
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Taken from CPU cycle counter and ROSC oscillator, so should be pretty random.
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*/
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randomSeed(rp2040.hwrand32());
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#ifdef RP2040_SLOW_CLOCK
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uint f_pll_sys = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_PLL_SYS_CLKSRC_PRIMARY);
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uint f_pll_usb = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_PLL_USB_CLKSRC_PRIMARY);
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uint f_rosc = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_ROSC_CLKSRC);
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uint f_clk_sys = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_SYS);
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uint f_clk_peri = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_PERI);
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uint f_clk_usb = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_USB);
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uint f_clk_adc = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_ADC);
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uint f_clk_rtc = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_RTC);
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LOG_INFO("Clock speed:\n");
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LOG_INFO("pll_sys = %dkHz\n", f_pll_sys);
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LOG_INFO("pll_usb = %dkHz\n", f_pll_usb);
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LOG_INFO("rosc = %dkHz\n", f_rosc);
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LOG_INFO("clk_sys = %dkHz\n", f_clk_sys);
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LOG_INFO("clk_peri = %dkHz\n", f_clk_peri);
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LOG_INFO("clk_usb = %dkHz\n", f_clk_usb);
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LOG_INFO("clk_adc = %dkHz\n", f_clk_adc);
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LOG_INFO("clk_rtc = %dkHz\n", f_clk_rtc);
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#endif
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}
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void enterDfuMode()
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{
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reset_usb_boot(0, 0);
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}
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/* Init in early boot state. */
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#ifdef RP2040_SLOW_CLOCK
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void initVariant()
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{
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/* Set the system frequency to 18 MHz. */
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set_sys_clock_khz(18 * KHZ, false);
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/* The previous line automatically detached clk_peri from clk_sys, and
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attached it to pll_usb. We need to attach clk_peri back to system PLL to keep SPI
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working at this low speed.
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For details see https://github.com/jgromes/RadioLib/discussions/938
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*/
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clock_configure(clk_peri,
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0, // No glitchless mux
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CLOCKS_CLK_PERI_CTRL_AUXSRC_VALUE_CLKSRC_PLL_SYS, // System PLL on AUX mux
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18 * MHZ, // Input frequency
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18 * MHZ // Output (must be same as no divider)
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);
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/* Run also ADC on lower clk_sys. */
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clock_configure(clk_adc, 0, CLOCKS_CLK_ADC_CTRL_AUXSRC_VALUE_CLKSRC_PLL_SYS, 18 * MHZ, 18 * MHZ);
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/* Run RTC from XOSC since USB clock is off */
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clock_configure(clk_rtc, 0, CLOCKS_CLK_RTC_CTRL_AUXSRC_VALUE_XOSC_CLKSRC, 12 * MHZ, 47 * KHZ);
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/* Turn off USB PLL */
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pll_deinit(pll_usb);
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}
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#endif |